2 Select Setup→Audio→Audio Profile.
3 Select a required profile.
4.10.5.2
Howling Suppression
The howling suppression is a mode increasing the stability of the acoustic feedback loop.
The radio eliminates howling caused by the feedback loop from the receiving radios to the sending
radio in simplex calls. You can toggle the howling suppression during an active call.
To enable this anti-howling function, you can either use the radio menu or the corresponding One-
Touch Button.
4.10.5.2.1
Setting Howling Suppression
Procedure:
1 From the home screen, press the Menu key.
2 Select Setup→Audio→Howling Suppr..
3 Select required setting.
NOTE: Your service provider can set up the state of the howling suppression on
powering up the radio. Depending on the settings, the radio can either disable the
howling suppression or set the last remembered state.
4.10.5.3
Audio Toggle
You can control audio routing between the speaker and earpiece for any private or group call through
the dedicated Speaker Control key. You can also define through the menu to have all group calls in
high audio or controlled by the Speaker Control key.
4.10.5.3.1
Setting Audio Toggle
Procedure:
1 From the home screen, press the Menu key.
2 Select Setup→Audio→Audio Toggle.
3 Select one of the following options:
• Always Loud – The audio sound comes from the speaker (high audio only). SPEAKER
CONTROL key is disabled.
• Spkr Cntrl – The audio goes through the earpiece or the speaker. You can switch between
low and high audio by pressing SPEAKER CONTROL key.
4.10.5.4
Volume Adjustment Mode
You can set the volume to Individual or Common. When set to Common, the audio has one setting for
all items.
When set to Individual, the volume level for the following options can be set per user preferences.
• Voice
MN006260A01-AG
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